The Teacher's Manual for Build-A-Ruler is meant to be used in conjunction with the Build-A-Ruler. The manual walks educators through classroom lessons for measurement, equivalent fractions, lowest terms, and whole and mixed numbers. The manual is provided for free via e-mail with the purchase of Build-A-Ruler. Manuals are also available in printed hard copy for $15 each. The manual is a 24-page soft cover booklet also containing overhead transparencies. Below are thumbnails with excerpts from the manual. Click on a thumbnail to see the full page.